Vocabulary
A push or pull
What is force?
To apply force
What is exert?
The energy an object has while in motion.
BONUS 100: The stored energy an object has
What is kinetic energy?
BONUS: potential energy
A semi-truck and a car are driving in a dark tunnel when they suddenly hit a wall! Which vehicle will cause more damage?
BONUS 100: Why?
The semi-truck
BONUS: It is heavier
Two sand fleas are moving at a speed of 4 feet/hour. They have the same _________.
Velocity
A blue soccer ball and an orange soccer ball are kicked at the same time with the same amount of force.
The blue soccer ball reaches the goal first. Why?
The blue soccer ball is less massive.
If we wanted to find out a boxer's weight class, what measurement would we use?
kg, lb, g
The force between an object and the surface it is moving over
What is friction?
What type of force keeps you and your car on the ground when you're driving?
Gravitational force
There are two flies searching for food.
Fly A is crawling along the ground while fly B is hovering in the air.
Which fly has more potential energy?
Fly B has more potential energy
A soccer player is kicking a ball into the air and he wonders, "Why doesn't the ball float into space?"
What is keeping the ball from floating away?
Gravity
BONUS 100: The gravity of what?
Two boxers enter a boxing ring. Boxer A can punch at a speed of 35mph while Boxer B can punch at a speed of 20mph. Both boxers weigh 200lbs.
Which boxer will be able to transfer more kinetic energy?
Boxer B (35mph)
A force of attraction on things that have mass
BONUS 100: How is this force measured?
What is gravitational force?
BONUS: Newtons
Two cars are driving on the freeway.
Car A is driving at a rate of 70mph. Car B is driving at a rate of 60mph.
Which car has more kinetic energy?
Car A (70 mph)
If we want to measure the gravitational pull of an ant on the moon, what measurement will we use?
Newtons
If we wanted to measure how fast a ball was going, what measurement would we use?
Distance/Time
Three boxers are being weighed.
Boxer A weighs 190lbs. Boxer B weighs 280lbs. Boxer C weighs 210lbs.
Which Boxer has the strongest gravitational pull?
Boxer B